package com.example.lottery_system.dao.mapper;

import com.example.lottery_system.dao.dataobject.ActivityUserDO;
import com.example.lottery_system.service.enums.ActivityUserStatus;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ActivityUserMapper {

    @Insert("<script> " +
            " insert into activity_user (activity_id, user_id, user_name, status) " +
            " values <foreach collection='items' item='item' index='index' separator=','> " +
            " (#{item.activityId}, #{item.userId}, #{item.userName}, #{item.status}) " +
            " </foreach> " +
            " </script>")
    @Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
    // insert into activity_user (activity_id, user_id, user_name, status)
    // values foreach(collection='items' item='item' index='index' separator=',') { #{item.activityId}, #{item.userId}, #{item.userName}, #{item.status} }
    int batchInsert(@Param("items") List<ActivityUserDO> activityUserDOList);

    @Select("select * from activity_user where activity_id = #{activityId}")
    List<ActivityUserDO> selectByActivityId(@Param("activityId") Long activityId);


    @Select("<script>" +
            " select * from activity_user where activity_id = #{activityId} and user_id in " +
            " <foreach collection='userIds' item='userId' open='(' separator=',' close=')'>#{userId}</foreach>" +
            " </script>")
    // select * from activity_user where activity_id = #{activityId} and user_id in
    // <foreach collection='userIds' item='userId' open='(' separator=',' close=')'>#{userId}</foreach>
    List<ActivityUserDO> batchSelectByActivityIdAndUserIds(@Param("activityId")Long activityId,
                                                           @Param("userIds") List<Long> userIds);

    @Update("<script>" +
            " update activity_user set status = #{status} where activity_id = #{activityId} and user_id in " +
            " <foreach collection='userIds' item='userId' open='(' separator=',' close=')'>#{userId}</foreach>" +
            " </script>")
    void batchUpdateStatus(@Param("activityId")Long activityId,
                           @Param("userIds")List<Long> userIds,
                           @Param("status")String status);
}
